Fave. Études sur le passé et l'avenir de l'artillerie, Volume 4, p 84ff, plates. 84 & 85:

http://books.google.com/books?id=0JtKawnbeqwC&pg=PA85

http://books.google.com/books?id=0JtKawnbeqwC&pg=PA86-IA2

Table of demensions, Mémoires d'artillerie, Volume 1 (1745) by Pierre Surirey de Saint Remy:

http://books.google.com/books?id=YDdBAAAAcAAJ&pg=PA317-IA7

Note: Table is folded - part is NOT visable.

Also (bit more text no demensions):

http://books.google.com/books?id=b9AWAAAAQAAJ&pg=PA324

Of possible interest:

http://surirey-de-saint-remy.e-monsite.com/rubrique,memoires-d-artillerie,40854.html